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BugGuide Gathering
Smoky Mountains
University of Tennessee Biological Field Station
August 8-10, 2008
 
Photos from the gathering
 
Photos from the 2007 gathering in Minnesota

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Family Cimbicidae - Cimbicid Sawflies

Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Class Insecta (Insects)
Order Hymenoptera (Ants, Bees, Wasps and Sawflies)
No Taxon (Sawflies, Horntails, and Wood Wasps)
Family Cimbicidae (Cimbicid Sawflies)
Numbers
Nearctica.com lists 3 genera: Cimbex Olivier 1790 (4 spp.), Trichiosoma Leach 1817 (4 spp.), Zaraea Leach 1817 (4 spp.)
Arnett (1) and Insects of Cedar Creek lists 12 species.
Size
15-25 mm
Identification
Adults robust, resemble bumble bees. Base of abdomen broadly joined to thorax (no wasp waist). Antennae have seven or fewer segments, slightly clubbed.

Larvae eruciform (caterpillar-shaped, i.e., cylindrical, with well-devloped head and legs).
Life Cycle
Larvae typically feed on foliage of trees and shrubs. Hosts include: Cimbex--Elm (Ulmus), Zaraea--Honeysuckle (Lonicera), Trichiosoma--Cherry (Prunus).